

Foreign registration · no form number
South Dakota Corporation Foreign Registration in Delaware
A corporation formed in South Dakota that wants to do business in Delaware files a registration (no form number), with $245 in state fees. Delaware may ask for South Dakota's Certificate of Good Standing/Existence ($20). We file it with the Department of State, Division of Corporations using your South Dakota records and act as your registered agent there for the first year.
What South Dakota and Delaware each ask for
| South Dakota formed here | Delaware registering here | |
|---|---|---|
| Document | South Dakota Certificate of Good Standing/Existence | Qualification Certificate of a Foreign Corporation (no form number) |
| State fee | $20 | $245 at order |
| How it is handled | South Dakota: online | Filed with Delaware |
| Paid expedite | 24-hour $50, same-day $100, 2-hour $500, 1-hour $1,000 | |
| Office | South Dakota Secretary of State | Delaware Department of State, Division of Corporations |
| Official page | sosenterprise.sd.gov | corp.delaware.gov |
| Yearly filing | Annual Report, fee set by the state, every year | Foreign Corporation Annual Report, $125, every year |
| Due | By the first day of the registration anniversary month each year (form opens that day | June 30 |
| Late yearly filing | $50 late fee | $125 late fee |
| Agent | Your South Dakota registered agent | Our Delaware registered agent |
How South Dakota companies register with Delaware
We prepare and file the registration
It names us as your Delaware registered agent, with your South Dakota name and formation date. If Delaware wants the South Dakota certificate, it is ordered first. Once Delaware approves it, the South Dakota company can do business there.
Will your South Dakota name work for Delaware?
Delaware can hold a name for 120 days for $75 before you file.
Agents: Delaware and South Dakota
South Dakota and Delaware both call it a registered agent. Delaware papers come to us; South Dakota's agent is unchanged.
Staying in good standing in South Dakota and Delaware
South Dakota wants the Annual Report every year; Delaware wants the Foreign Corporation Annual Report every year ($125). The new registration does not replace any home-state filing.
LLC or corporation, South Dakota to Delaware
An LLC formed in South Dakota files its own registration with Delaware ($200 in state fees, plus the Certificate of Good Standing/Existence ($20)). After that come South Dakota's Annual Report ($55) and Delaware's Annual LLC Tax ($300). See the LLC filing.
The other way: Delaware into South Dakota
A corporation formed in Delaware that registers with South Dakota files South Dakota's registration (no form number) with $750 in state fees, plus the Certificate of Good Standing ($50). See that filing.
Common questions: South Dakota to Delaware
Does my South Dakota company need to register in Delaware?
Yes, once a South Dakota business operates there; Delaware registers it as a foreign corporation.
Is this a certificate of authority?
Delaware calls it qualification for South Dakota corporations; other states say certificate of authority.
How much does it cost to register a South Dakota corporation in Delaware?
$444 at checkout; Delaware may also want South Dakota's Certificate of Good Standing/Existence, at extra cost.
What are the yearly costs for South Dakota and Delaware?
Our registered agent renewal ($149 a year), South Dakota's report (fee set by the state) and Delaware's report ($125).
Does Delaware require a registered agent?
Yes: the South Dakota registered agent stays, and ours covers Delaware for year one, with a street address there.
Can I form a new Delaware corporation instead?
Yes, but South Dakota keeps the original, so you run two companies: the new one files Delaware's Annual Franchise Tax Report ($50), and the original keeps South Dakota's Annual Report.
How do I withdraw from Delaware later?
South Dakota companies leave by filing a Certificate of Withdrawal of Foreign Corporation; until then, Delaware's report stays due alongside South Dakota's filings.
What does a Delaware company file to register in South Dakota?
It files South Dakota's registration with $750 in state fees, plus Delaware's good standing certificate.
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